package com.yang.mapper;

import com.yang.pojo.Emp;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDate;
import java.util.List;

@Mapper
public interface EmpMapper {

    /**
     * 查询总记录数
     * @return
     */
//    @Select("select count(*) from emp")
    public Long count(String name, Integer gender, LocalDate begin, LocalDate end);

    /**
     * 分页查询, 获取列表数据
     * @param start
     * @param pageSize
     * @return
     */
//    @Select("select * from emp limit #{start}, #{pageSize}")
//    public List<Emp> page(Integer start, Integer pageSize, String name, short gender, LocalDate begin, LocalDate end);


    public List<Emp> page(Integer start, Integer pageSize, String name, Integer gender, LocalDate begin, LocalDate end);

    /**
     * 批量删除操作
     * @param ids
     */
    void delete(List<Integer> ids);

    /**
     * 新增员工
     * @param emp
     */
    @Insert("insert into emp(username, name, gender, image, job, entrydate, dept_id, create_time, update_time) " +
            "value (#{username}, #{name}, #{gender}, #{image}, #{job}, #{entrydate}, #{deptId}, #{createTime}, #{updateTime})")
    void insert(Emp emp);

    /**
     * 根据id查询员工信息
     * @param id
     * @return
     */
    @Select("select * from emp where id = #{id}")
    Emp getById(Integer id);

    /**
     * 更新员工信息
     * @param emp
     */

    void update(Emp emp);

    /**
     * 根据用户名跟密码查询员工
     * @param emp
     * @return
     */
    @Select("select * from emp where username = #{username} and password = #{password}")
    Emp getByUsernameAndPassword(Emp emp);

    /**
     * 根据部门id删除员工
     */
    @Delete("delete from  emp where dept_id = #{id}")
    void deleteByDeptId(Integer id);
}
